Interfacing of circuits in an integrated electronic circuit (US Patent 7,843,945)
An interface having internal conductors to transfer data between a sending circuit and a receiving circuit in an integrated electronic circuit, the receiving circuit including an input buffer capable of receiving data and an output terminal for sending to the sending circuit an item of extraction information on each extraction of a data word from the input buffer, and the sending circuit including an enable circuit capable of activating an enable signal according to an item of availability information representative of the memory space available in the input buffer. The item of availability information is updated in the sending circuit on each transmission of a data word or on each receipt of the item of extraction information.